I think there is a problem with the test or tests, since even the default solution fails to evaluate with 'Parse error' indicated.
I agree. Function names cannot start with numbers, so this problem should be revised.
The server encountered an error while evaluating the solution.
Remove the air bubbles
Filter AC, pass DC
Back to basics 11 - Max Integer
03 - Matrix Variables 5
Back to basics 4 - Search Path
Back to basics 26 - Keywords
Back to basics 21 - Matrix replicating
Back to basics 2 - Function Path
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